LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Lexus
>>
2004
>>
LS 430
>>
Repair and Diagnosis
>>
Engine Performance
>>
System
>>
SFI System - Diagnosis
>>
Terminals Of ECM
>>
Waveform 12
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Waveform 12
Knock sensor
Fig 1: Terminal Voltage Chart
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
HINT:
The wavelength becomes shorter as engine RPM increases.
The waveforms and amplitudes displayed differ slightly depending on the vehicle.
Fig 2: Identifying Waveform 12
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002